void SimpleAudioEngine::preloadEffect(const char* pszFilePath)
{
// Changing file path to full path
std::string fullPath = CCFileUtils::sharedFileUtils()->fullPathForFilename(pszFilePath);
EffectsMap::iterator iter = s_effects.find(fullPath);
// check if we have this already
if (iter == s_effects.end())
{
ALuint buffer;
ALuint source;
soundData *data = new soundData;
string path = fullPath;
checkALError("preloadEffect");
if (isOGGFile(path.data()))
{
buffer = createBufferFromOGG(path.data());
}
else
{
buffer = alutCreateBufferFromFile(path.data());
checkALError("preloadEffect");
}
if (buffer == AL_NONE)
{
fprintf(stderr, "Error loading file: '%s'\n", path.data());
alDeleteBuffers(1, &buffer);
return;
}
alGenSources(1, &source);
if (checkALError("preloadEffect") != AL_NO_ERROR)
{
alDeleteBuffers(1, &buffer);
return;
}
alSourcei(source, AL_BUFFER, buffer);
checkALError("preloadEffect");
data->isLooped = false;
data->buffer = buffer;
data->source = source;
s_effects.insert(EffectsMap::value_type(fullPath, data));
}
}
//
// background audio
//
void SimpleAudioEngine::preloadBackgroundMusic(const char* pszFilePath)
{
// Changing file path to full path
std::string fullPath = CCFileUtils::sharedFileUtils()->fullPathForFilename(pszFilePath);
BackgroundMusicsMap::const_iterator it = s_backgroundMusics.find(fullPath);
if (it == s_backgroundMusics.end())
{
ALuint buffer = AL_NONE;
if (isOGGFile(fullPath.data()))
{
buffer = createBufferFromOGG(fullPath.data());
}
else
{
buffer = alutCreateBufferFromFile(fullPath.data());
}
checkALError("preloadBackgroundMusic");
if (buffer == AL_NONE)
{
fprintf(stderr, "Error loading file: '%s'\n", fullPath.data());
alDeleteBuffers(1, &buffer);
return;
}
ALuint source = AL_NONE;
alGenSources(1, &source);
checkALError("preloadBackgroundMusic");
alSourcei(source, AL_BUFFER, buffer);
checkALError("preloadBackgroundMusic");
backgroundMusicData* data = new backgroundMusicData();
data->buffer = buffer;
data->source = source;
s_backgroundMusics.insert(BackgroundMusicsMap::value_type(fullPath, data));
}
}
//
// background audio
//
void SimpleAudioEngine::preloadBackgroundMusic(const char* pszFilePath)
{
// Changing file path to full path
std::string fullPath = CCFileUtils::sharedFileUtils()->fullPathForFilename(pszFilePath);
if (!s_isBackgroundInitialized || s_currentBackgroundStr != fullPath)
{
string path = fullPath;
if (isOGGFile(path.data()))
{
s_backgroundBuffer = createBufferFromOGG(path.data());
}
else
{
s_backgroundBuffer = alutCreateBufferFromFile(path.data());
}
checkALError("preloadBackgroundMusic");
if (s_backgroundBuffer == AL_NONE)
{
fprintf(stderr, "Error loading file: '%s'\n", path.data());
alDeleteBuffers(1, &s_backgroundBuffer);
return;
}
alGenSources(1, &s_backgroundSource);
checkALError("preloadBackgroundMusic");
alSourcei(s_backgroundSource, AL_BUFFER, s_backgroundBuffer);
checkALError("preloadBackgroundMusic");
s_currentBackgroundStr = fullPath;
}
s_currentBackgroundStr = fullPath;
s_isBackgroundInitialized = true;
}
